Improvement in valve-boxes for pumps



J. WATSON. Valve-Box for Pumps.

No. 222,217. Patented Dec. 2,1879.

NvENTOH= JATTEST= W m in'the wall 10f said drawings, ked thereon n the wall of 'rposedbetween the seat hichw holds the seat i y at o t e um.

e, in the or. cheese, held u a l st-the "fl hreadedplug E1 the shit invention. i E is against the flange F of the box by means ofa 1 screw-threaded plug, G, which is screwed up 7 against the cage or shell H. Leather washers are inserted at DD. i

The cage His fitted into the bore of the chamber, and is provided with suitable open- ;ings arranged to coincidcfwith the openings mber for the in gress or r set forth. a

and adjnsted,and the.peg Lscrewe t in place. Another packing )laced in position, and the pl m'l'ydownupon all.

;I am aware that removable va-lv been-employed, and I make no} seats, broadly; but I am not awa have been employed in connect n h taohed cage, as I have herein s'howgr. it What 1 claim, and desire to secu ters- Patent, is

1. The combination of the reinfoi blew seat E; the detached cage or part 3, 111 phigflor part G, the cage H being'd t'rom' theplug and arrangedfto be tive, substantially as set forth [2;The combination of theremo ablev seat E,'-thedetached and remosf able cage n arranged to fit the bore of theval Valv e-chamber, the plug or part alye-chamber, all arranged subs setfort-h.

, g Thco mbination of theval n thefremovable valve-seat, the. detached cage V, H, the plug: or part G, and the sore ranged substantially as and for the purposes In witness whereof I, the said J AI IEsWAT;

SON,have hereunto set my hand this 30th day:

ofJune, 1879.

Witnesses: J. O. NEWBURN,

Gno. G. BACON.

amber,

HI, ar-

JAMES A SON, a 

